Concentrated shampoo

Abstract

Concentrated shampoo composition comprising from 25 to 38% wt. C10-C14 ether sulphate as cleansing surfactant, from 0.5 to 5% salt and wherein the zero shear viscosity of the composition is from 2 to 2000 Pa·s and the composition comprises 90% vol. or more composition in the nematic discotic phase.

1 . Concentrated shampoo composition comprising from 25 to 38% wt. C10-C14 ether sulphate as cleansing surfactant, from 0.5 to 5% salt and wherein the zero shear viscosity of the composition is from 2 to 2000 Pa·s and the composition comprises 90% vol. or more composition in the nematic discotic phase. 
     
     
         2 . Composition according to  claim 1  wherein the zero shear viscosity is from 10 to 200 Pa·s. 
     
     
         3 . Composition according to  claim 1  or  2  comprising 95% vol. or more composition in the nematic discotic phase. 
     
     
         4 . Shampoo composition according to any preceding claim wherein the salt is a sodium salt. 
     
     
         5 . Shampoo composition according to any preceding claim wherein the salt is selected from sodium chloride and sodium sulphate. 
     
     
         6 . Shampoo composition according to  claim 6  wherein the salt is sodium chloride and is present at from 1 to 3% wt. of the composition. 
     
     
         7 . Shampoo composition according to  claim 6  wherein the salt is sodium sulphate and is present at from 2 to 4% wt. of the composition. 
     
     
         8 . Shampoo composition according to any preceding claim further comprising an oil. 
     
     
         9 . Shampoo composition according to  claim 9  wherein the oil is selected from mineral oil, vegetable oil, animal oil, or mixtures thereof. 
     
     
         10 . Shampoo composition according to  claim 9  wherein the oil is selected from coconut oil and palm kernel oil. 
     
     
         11 . Shampoo composition according to any preceding claim wherein the cleansing surfactant is anionic surfactant. 
     
     
         12 . Shampoo composition according to any preceding claim wherein the cleansing surfactant is present at from 30 to 37% wt. 
     
     
         13 . Shampoo composition according to any preceding claim wherein the composition comprises from 0.5 to 5% wt. co-surfactant. 
     
     
         14 . Shampoo composition according to any preceding claim wherein the cleansing surfactant comprises sodium lauryl ether sulphate. 
     
     
         15 . Shampoo composition according to any preceding claim wherein the composition comprises cocoamidopropyl betaine or cocamide MEA.